<!DOCTYPE html>
<html manifest="demo.appcache">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title></title>
        <link rel="stylesheet" href="demo1.css" />
        <script type="text/javascript" src="demo1.js"></script>
    </head>
    <body>
        <h1>3</h1>
    </body>
</html>